agnail

1. After being unfolded, the expansion tongues fill the redundant gaps in the wall body and form agnail structures, and the utility model is enabled to bear heavier objects with uneasy breaking-off.
   膨胀舌张开后填充墙体内多余的缝隙的同时形成形似倒刺的结构使得本实用新型可以承受较重的物品而不易脱落。

noun

1. a loose narrow strip of skin near the base of a fingernail

   Synonym:    hangnail